Radar can watch heartbeats without touching the body, but walls & moving objects can hide signals. A methods make tracking more accurate.

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. February 18, 2025 Add ...

Healthy hearts are adaptable, and heartbeats exhibit complex variation as they adjust to tiny changes in the body and environment. Mass General Brigham researchers have applied a new way to measure ...

Measuring the heart rate of great apes in captivity is essential for both health management and animal studies. However, existing most methods are either invasive or inaccurate. Now, researchers from ...

Most fitness trackers offer a wealth of heart-rate data. Here’s how to make sense of it. By Talya Minsberg If you wear a smartwatch or fitness tracker, you likely already have access to a steady ...

If you're curious about your heart health, there are quick tests you can perform at home -- no equipment required.

Sleek, high-tech wristbands are extremely popular these days, promising to measure heart rate, steps taken during the day, sleep, calories burned and even stress. And, increasingly, patients are ...

A new report says that Apple's aim to add a camera to the AirPods is to power Apple Intelligence features, and that the device is due to gain many more health features. The idea of AirPods with ...

Understanding your heart rate is crucial for more than just reaching optimal fitness–it can also help to reduce injury and ...